See theFlashback Database section above for information on storage requirements. file, observer runtime data file (fsfo.dat), fast-start failover callout Errors occurring for any other configuration members will not impede the switchover. the primary and target standby databases. If the target standby database is ready for failover, then the master observer immediately directs the target standby database to fail over to the primary database role. Data Guard Configuration Details:-. The database on which the procedure is called notifies the observer. alter database recover managed standby database finish; alter database activate standby database; Managed recovery process has been stopped between primary and standby database and standby becomes primary database. callout configuration file. The broker automatically reenables the database as part of reinstating it. Displays if the standby database's redo applied point lags the primary database's redo generation point by more than the number of seconds specified by the FastStartFailoverLagLimit configuration property and the configuration is operating in maximum performance mode. Learn how your comment data is processed. Data Guard Broker Failover - DBA Genesis Support Guide to Oracle Data Guard Fast-Start Failover Post failover, there are two methods of rebuilding your failed primary Method 1: Rebuild from scratch -> RMAN duplicate Method 2: Flashback database -> only if Flashback was enabled Reinstate failed primary: When you use data guard broker, with just one command, the primary can be rebuilt. When fast-start failover is enabled, the broker determines if a failover is necessary and initiates the failover to the current target standby database automatically, with no need for manual intervention. The FORCE option may be the preferred method for disabling
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